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发明名称
HEADPHONE
摘要
申请公布号
JPS52145003(A)
申请公布日期
1977.12.02
申请号
JP19760061064
申请日期
1976.05.28
申请人
PIONEER ELECTRONIC CORP
发明人
YAMAMURO ISAO;YANAGAWA HIROBUMI
分类号
H04R5/033;H04R1/10;H04R5/02
主分类号
H04R5/033
代理机构
代理人
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